<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <!-- <input type="text">
    <select name="" id="">
        <option value="+"></option>
        <option value="-"></option>
        <option value="*"></option>
        <option value="/"></option>
    </select>
    <input type="number" id="num2">
    <input type="button" value="计算" id="btn">
    <input type="text" id="res" disabled> -->
    
    
    <script>
        var reslut=89;
        var day=parseInt(reslut/24);
        var hour=(89-3*24);
        document.write(day +"天" + hour + "小时");

       
        var sheshidu=5/9.0*(80-32);
        sheshidu=sheshidu.toFixed(3)
        document.write(sheshidu+"度");

        var num1=40,num2=60 ,num3=10;
        if(num1>num2){
            console.log(num1);
        }else{
            console.log(num2)
        }
        console.log(num1>num2?num1:num2)

        
    </script>
</body>

</html>
